They are often very rich in nutrients and hold water well because of their volcanic ash content. ... These soils are called Andisols, and they are often very young, and acidic depending on which type of volcano they come from.
A rotation 90° counterclockwise about the origin followed by a reflection across the y-axis
It is formed by plate tectonics
Answer:
If moisture is not limiting, it will therefore produce a "complacent" series of ring growth patterns